diff --git a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/DecrytTestFilter.java b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/DecrytTestFilter.java
index ed1819a..149918c 100644
--- a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/DecrytTestFilter.java
+++ b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/DecrytTestFilter.java
@@ -6,7 +6,6 @@ import java.util.Properties;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.json.simple.JSONObject;
 import org.springframework.http.HttpStatus;
 
 import com.eactive.eai.adapter.http.dynamic.filter.FilterException;
@@ -16,6 +15,7 @@ import com.eactive.eai.common.security.ARIACryptoModuleExtension;
 import com.eactive.eai.common.security.CryptoModuleExtension;
 import com.eactive.eai.common.util.Logger;
 import com.eactive.eai.util.HexaConverter;
+import com.eactive.eai.util.JsonPathUtil;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
@@ -30,17 +30,8 @@ public class DecrytTestFilter implements HttpAdapterFilter {
 	public Object doPreFilter(String adptGrpName, String adptName, Object message, Properties prop,
 			HttpServletRequest request, HttpServletResponse response) throws Exception {
 		try {
-			ObjectNode rootNode = null;
-			String jsonStr = null;
-			if (message instanceof String) {
-				jsonStr = (String) message;
-			} else if (message instanceof JSONObject) {
-				jsonStr = ((JSONObject) message).toJSONString();
-			} else {
-				return message;
-			}
-			rootNode = (ObjectNode) OBJECT_MAPPER.readTree(jsonStr);
-
+			ObjectNode rootNode = (ObjectNode)JsonPathUtil.toTree(message);
+			
 			JsonNode alg = rootNode.get("alg");
 			JsonNode mode = rootNode.get("mode");
 			JsonNode padding = rootNode.get("padding");
diff --git a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/EncrytTestFilter.java b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/EncrytTestFilter.java
index 7b36394..0222a28 100644
--- a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/EncrytTestFilter.java
+++ b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/EncrytTestFilter.java
@@ -8,7 +8,6 @@ import javax.crypto.SecretKey;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.json.simple.JSONObject;
 import org.springframework.http.HttpStatus;
 
 import com.eactive.eai.adapter.http.dynamic.filter.FilterException;
@@ -19,6 +18,7 @@ import com.eactive.eai.common.security.ARIACryptoModuleExtension;
 import com.eactive.eai.common.security.CryptoModuleExtension;
 import com.eactive.eai.common.util.Logger;
 import com.eactive.eai.util.HexaConverter;
+import com.eactive.eai.util.JsonPathUtil;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
@@ -33,20 +33,8 @@ public class EncrytTestFilter implements HttpAdapterFilter {
 	public Object doPreFilter(String adptGrpName, String adptName, Object message, Properties prop,
 			HttpServletRequest request, HttpServletResponse response) throws Exception {
 		try {
-			ObjectNode rootNode = null;
-			String jsonStr = null;
-			if (message instanceof String) {
-				jsonStr = (String) message;
-			} else if (message instanceof ObjectNode) {
-				rootNode = (ObjectNode) message;
-			}  else if (message instanceof JSONObject) {
-				jsonStr = ((JSONObject) message).toJSONString();
-			} else {
-				return message;
-			}
-			if(rootNode == null)
-				rootNode = (ObjectNode) OBJECT_MAPPER.readTree(jsonStr);
-
+			ObjectNode rootNode = (ObjectNode)JsonPathUtil.toTree(message);
+			
 			// 1. HSM에서 키 가져오기
 			byte[] hsmKeyBytes = null;
 			JsonNode hsmKeyAlias = rootNode.get("hsmKeyAlias");
diff --git a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/GenKeyFilter.java b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/GenKeyFilter.java
index a15bb76..b402dd3 100644
--- a/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/GenKeyFilter.java
+++ b/src/main/java/com/eactive/eai/custom/adapter/http/dynamic/filter/GenKeyFilter.java
@@ -8,7 +8,6 @@ import java.util.Properties;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.json.simple.JSONObject;
 import org.springframework.http.HttpStatus;
 
 import com.eactive.eai.adapter.http.dynamic.filter.FilterException;
@@ -18,6 +17,7 @@ import com.eactive.eai.common.util.Logger;
 import com.eactive.eai.custom.common.security.keyderiv.HsmContextSha256KeyDerivationStrategy;
 import com.eactive.eai.custom.common.security.keyderiv.HsmKeyAndIvSliceDerivationStrategy;
 import com.eactive.eai.util.HexaConverter;
+import com.eactive.eai.util.JsonPathUtil;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
@@ -32,17 +32,8 @@ public class GenKeyFilter implements HttpAdapterFilter {
 	public Object doPreFilter(String adptGrpName, String adptName, Object message, Properties prop,
 			HttpServletRequest request, HttpServletResponse response) throws Exception {
 		try {
-			ObjectNode rootNode = null;
-			String jsonStr = null;
-			if (message instanceof String) {
-				jsonStr = (String) message;
-			} else if (message instanceof JSONObject) {
-				jsonStr = ((JSONObject) message).toJSONString();
-			} else {
-				return message;
-			}
-			rootNode = (ObjectNode) OBJECT_MAPPER.readTree(jsonStr);
-
+			ObjectNode rootNode = (ObjectNode)JsonPathUtil.toTree(message);
+			
 			JsonNode hsmKey = rootNode.get("hsmKey");
 			JsonNode hsmIv = rootNode.get("hsmIv");
 			JsonNode contextKey = rootNode.get("contextKey");